| Brand | Littmann |
|---|---|
| Unit Type | Unit |
| Model | 3100 |
| Country of Origin | United States |
| Intended Use/Discipline | Cardiology |
Check the listing for details. 3M Littmann electronic stethoscope 3100. Condition: New – Open box, Made in United States. Listed at 299.99 USD. What's the main difference between the Littmann 3100 and traditional acoustic stethoscopes?. The key difference is its active electronic amplification and sound processing. The 3100 doesn't just transmit sound; it transforms it, amplifies it, and filters background noise, allowing you to hear what's often impossible to detect with a conventional stethoscope.